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Port Numbers Flashcards

1
Q

Question:
What is the default port number for IKE (Internet Key Exchange)?

Answers:

  1. 500
  2. 443
  3. 4500
  4. 53
A

Correct Answer:
500

Explanation:
IKE (Internet Key Exchange) is used for establishing secure VPN connections and operates on port 500. Port 443 is for HTTPS, port 4500 is for IPsec NAT traversal, and port 53 is for DNS.

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2
Q

Question:
What is the default port number for Syslog?

Answers:

  1. 514
  2. 80
  3. 110
  4. 25
A

Correct Answer:
514

Explanation:
Syslog is a standard for message logging and operates on port 514. Port 80 is for HTTP, port 110 is for POP3, and port 25 is for SMTP

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3
Q

Question:
What is the default port number for LDAPS (LDAP Secure)?

Answers:

  1. 636
  2. 389
  3. 143
  4. 22
A

Correct Answer:
636

Explanation:
LDAPS (LDAP Secure) is the secure version of LDAP, and it operates on port 636. Port 389 is for LDAP, port 143 is for IMAP, and port 22 is for SSH

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4
Q

Question:
What is the default port number for HTTP (Alternative)?

Answers:

  1. 8080
  2. 80
  3. 443
  4. 25
A

Correct Answer:
8080

Explanation:
Port 8080 is commonly used as an alternative HTTP port, often used by web proxies or web servers. Port 80 is the default for HTTP, port 443 is for HTTPS, and port 25 is for SMTP.

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5
Q

Question:
What is the default port number for OpenVPN?

Answers:

  1. 1194
  2. 443
  3. 53
  4. 500
A

Correct Answer:
1194

Explanation:
OpenVPN uses port 1194 by default for secure VPN connections. Port 443 is for HTTPS, port 53 is for DNS, and port 500 is for IKE (Internet Key Exchange).

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6
Q

What is the default port number for Oracle Database?

Answers:

  1. 1521
  2. 3306
  3. 1433
  4. 3389
A

Correct Answer:
1521

Explanation:
Oracle Database typically uses port 1521 for database connections. Port 3306 is for MySQL, port 1433 is for Microsoft SQL Server, and port 3389 is for RDP.

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7
Q

Question:
What is the default port number for PPTP (Point-to-Point Tunneling Protocol)?

Answers:

  1. 1723
  2. 443
  3. 500
  4. 8080
A

Correct Answer:
1723

Explanation:
PPTP (Point-to-Point Tunneling Protocol) is used for VPN connections and operates on port 1723. Port 443 is for HTTPS, port 500 is for IKE, and port 8080 is for HTTP (alternative).

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8
Q

Question:
What is the default port number for RDP (Remote Desktop Protocol)?

Answers:

  1. 3389
  2. 1433
  3. 3306
  4. 22
A

Correct Answer:
3389

Explanation:
RDP (Remote Desktop Protocol) is used for remote desktop access and operates on port 3389. Port 1433 is for Microsoft SQL Server, port 3306 is for MySQL, and port 22 is for SSH.

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9
Q

Port 67

Question:
What is the default port number for DHCP (Dynamic Host Configuration Protocol) Server?

Answers:

  1. 67
  2. 68
  3. 53
  4. 443
A

Correct Answer:
67

Explanation:
The DHCP Server listens on port 67 to assign IP addresses to devices. Port 68 is used for DHCP clients, port 53 is for DNS, and port 443 is for HTTPS.

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10
Q

Question:
What is the default port number for TFTP (Trivial File Transfer Protocol)?

Answers:

  1. 69
  2. 21
  3. 22
  4. 23
A

Correct Answer:
69

Explanation:
TFTP (Trivial File Transfer Protocol) is used for file transfers with minimal overhead and operates on port 69. Port 21 is for FTP control, port 22 is for SSH, and port 23 is for Telnet.

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11
Q

Question:
What is the default port number for SNMP (Simple Network Management Protocol)?

Answers:

  1. 161
  2. 162
  3. 53
  4. 443
A

161

Explanation:
SNMP (Simple Network Management Protocol) operates on port 161 and is used for managing network devices. Port 162 is for SNMP traps, port 53 is for DNS, and port 443 is for HTTPS.

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12
Q

Question:
What is the default port number for SNMP Trap?

Answers:

  1. 161
  2. 162
  3. 53
  4. 110
A

Correct Answer:
162

Explanation:
SNMP traps are received on port 162 and are used for network management alerts. Port 161 is used for SNMP requests, port 53 is for DNS, and port 110 is for POP3.

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13
Q

Question:
What is the default port number for LDAP (Lightweight Directory Access Protocol)?

Answers:

  1. 389
  2. 636
  3. 443
  4. 53
A

Correct Answer:
389

Explanation:
LDAP (Lightweight Directory Access Protocol) operates on port 389 and is used for accessing directory services. Port 636 is for LDAPS (LDAP Secure), port 443 is for HTTPS, and port 53 is for DNS.

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14
Q

Question:
What is the default port number for LDAPS (LDAP Secure)?

Answers:

  1. 389
  2. 636
  3. 443
  4. 22
A

Correct Answer:
636

Explanation:
LDAPS (LDAP Secure) operates on port 636 and is used for secure access to directory services. Port 389 is for LDAP, port 443 is for HTTPS, and port 22 is for SSH.

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15
Q

Question:
What is the default port number for IMAPS (IMAP Secure)?

Answers:

  1. 110
  2. 143
  3. 993
  4. 23
A

Correct Answer:
993

Explanation:
IMAPS (IMAP Secure) is used for secure email retrieval and operates on port 993. Port 110 is for POP3, port 143 is for IMAP, and port 23 is for Telnet.

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16
Q

Question:
What is the default port number for POP3S (POP3 Secure)?

Answers:

  1. 25
  2. 443
  3. 995
  4. 110
A

Correct Answer:
995

Explanation:
POP3S (POP3 Secure) is used for secure email retrieval and operates on port 995. Port 25 is for SMTP, port 443 is for HTTPS, and port 110 is for POP3.

17
Q

Question:
What is the default port number for SMB (Server Message Block)?

Answers:

  1. 443
  2. 445
  3. 53
  4. 161
A

Correct Answer:
445

Explanation:
SMB (Server Message Block) is used for file and printer sharing on Windows networks and operates on port 445. Port 443 is for HTTPS, port 53 is for DNS, and port 161 is for SNMP.

18
Q

Question:
What is the default port number for Syslog?

Answers:

  1. 514
  2. 80
  3. 110
  4. 22
A

Correct Answer:
514

Explanation:
Syslog is used for logging system messages and operates on port 514. Port 80 is for HTTP, port 110 is for POP3, and port 22 is for SSH.

19
Q

Question:
What is the default port number for LDAPS (LDAP Secure)?

Answers:

  1. 636
  2. 389
  3. 443
  4. 21
A

Correct Answer:
636

Explanation:
LDAPS (LDAP Secure) is used for secure directory services and operates on port 636. Port 389 is for LDAP, port 443 is for HTTPS, and port 21 is for FTP control.

20
Q

Question:
What is the default port number for Microsoft SQL Server?

Answers:

  1. 1433
  2. 3306
  3. 3389
  4. 21
A

Correct Answer:
1433

Explanation:
Microsoft SQL Server uses port 1433 for database connections. Port 3306 is for MySQL, port 3389 is for RDP, and port 21 is for FTP control.

21
Q

Question:
What is the default port number for MySQL?

Answers:

  1. 3306
  2. 1433
  3. 22
  4. 80
A

Correct Answer:
3306

Explanation:
MySQL database connections use port 3306. Port 1433 is for Microsoft SQL Server, port 22 is for SSH, and port 80 is for HTTP.

22
Q

Question:
What is the default port number for RDP (Remote Desktop Protocol)?

Answers:

  1. 3389
  2. 445
  3. 53
  4. 161
A

Correct Answer:
3389

Explanation:
RDP (Remote Desktop Protocol) is used for remote desktop access and operates on port 3389. Port 445 is for SMB, port 53 is for DNS, and port 161 is for SNMP.

23
Q

Question:
What is the default port number for PPTP (Point-to-Point Tunneling Protocol)?

Answers:

  1. 1723
  2. 443
  3. 21
  4. 80
A

Correct Answer:
1723

Explanation:
PPTP (Point-to-Point Tunneling Protocol) is used for VPN connections and operates on port 1723. Port 443 is for HTTPS, port 21 is for FTP control, and port 80 is for HTTP.

24
Q

Question:
What is the default port number for POP3 (Post Office Protocol 3)?

Answers:

  1. 25
  2. 110
  3. 443
  4. 143
A

Correct Answer:
110

Explanation:
POP3 (Post Office Protocol 3) is used for receiving emails and operates on port 110. Port 25 is for SMTP, port 443 is for HTTPS, and port 143 is for IMAP.

25
Q

What is the default port number for NTP (Network Time Protocol)?

Answers:

  1. 123
  2. 161
  3. 53
  4. 22
A

Correct Answer:
123

Explanation:
NTP (Network Time Protocol) is used for time synchronization and operates on port 123. Port 161 is for SNMP, port 53 is for DNS, and port 22 is for SSH.

26
Q

Question:
What is the default port number for NetBIOS Name Service?

Answers:

  1. 137
  2. 138
  3. 139
  4. 161
A

Correct Answer:
137

Explanation:
NetBIOS Name Service operates on port 137 and is used for resolving NetBIOS names to IP addresses. Port 138 is for NetBIOS Datagram Service, port 139 is for NetBIOS Session Service, and port 161 is for SNMP.

27
Q

Question:
What is the default port number for NetBIOS Datagram Service?

Answers:

  1. 137
  2. 138
  3. 139
  4. 161
A

Correct Answer:
138

Explanation:
NetBIOS Datagram Service operates on port 138 and is used for sending NetBIOS datagrams. Port 137 is for NetBIOS Name Service, port 139 is for NetBIOS Session Service, and port 161 is for SNMP.

28
Q

What is the default port number for NetBIOS Session Service?

Answers:

  1. 137
  2. 138
  3. 139
  4. 161
A

Correct Answer:
139

Explanation:
NetBIOS Session Service operates on port 139 and is used for establishing a session between computers. Port 137 is for NetBIOS Name Service, port 138 is for NetBIOS Datagram Service, and port 161 is for SNMP.

29
Q

Question:
What is the default port number for SNMP (Simple Network Management Protocol)?

Answers:

  1. 161
  2. 53
  3. 443
  4. 22
A

Correct Answer:
161

Explanation:
SNMP (Simple Network Management Protocol) is used for network management and operates on port 161. Port 53 is for DNS, port 443 is for HTTPS, and port 22 is for SSH.

30
Q

Question:
What is the default port number for HTTPS (Hypertext Transfer Protocol Secure)?

Answers:

  1. 80
  2. 443
  3. 21
  4. 22
A

Correct Answer:
443

Explanation:
HTTPS (Hypertext Transfer Protocol Secure) is used for secure web traffic and operates on port 443. Port 80 is for HTTP, port 21 is for FTP control, and port 22 is for SSH.

31
Q

Question:
What is the default port number for Telnet?

Answers:

  1. 21
  2. 22
  3. 23
  4. 80
A

Correct Answer:
23

Explanation:
Telnet, an insecure remote access protocol, operates on port 23. Port 21 is for FTP control, port 22 is for SSH, and port 80 is for HTTP.

32
Q

Question:
What is the default port number for SMTP (Simple Mail Transfer Protocol)?

Answers:

  1. 25
  2. 53
  3. 110
  4. 443
A

Correct Answer:
25

Explanation:
SMTP, which is used for sending emails, operates on port 25. Port 53 is for DNS, port 110 is for POP3, and port 443 is for HTTPS.

33
Q

Question:
What is the default port number for DNS (Domain Name System)?

Answers:

  1. 25
  2. 53
  3. 67
  4. 123
A

Correct Answer:
53

Explanation:
DNS operates on port 53 for translating domain names to IP addresses. Port 25 is for SMTP, port 67 is for DHCP server communication, and port 123 is for NTP.

34
Q

Question:
What is the default port number for DHCP (Server)?

Answers:

  1. 67
  2. 68
  3. 53
  4. 110
A

Correct Answer:
67

Explanation:
The DHCP server listens on port 67 to assign IP addresses to devices. Port 68 is for DHCP client communication, port 53 is for DNS, and port 110 is for POP3.

35
Q

Question:
What is the default port number for DHCP (Client)?

Answers:

  1. 67
  2. 68
  3. 80
  4. 443
A

Correct Answer:
68

Explanation:
The DHCP client communicates on port 68 to request an IP address. Port 67 is for DHCP server communication, port 80 is for HTTP, and port 443 is for HTTPS.

36
Q

What is the default port number for HTTP?

Answers:

  1. 80
  2. 25
  3. 443
  4. 110
A

Correct Answer:
80

Explanation:
HTTP (HyperText Transfer Protocol), used for web traffic in plain text, operates on port 80. Port 25 is for SMTP, port 443 is for HTTPS, and port 110 is for POP3.

Port Numbers (2 decks)

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